How Jack Marshall's ERA Compares to Similar Players
Jack Marshall posted a career ERA of 4.23, near the starting pitcher average of 3.87 — a profile that tracked closely with league norms. His strongest ERA season came in 1921, posting 2.63. The highest point came in 1922 at 4.96. Production slipped through the final seasons. The figure moved from 3.45 in 1924 to 4.87 in 1928 and 4.71 in 1929. The decline marked the closing chapter of the career. Some season-to-season variance runs through the career line, but the career average tracked near league norms across 7 seasons.
Jack Marshall Lifetime ERA and Similar Stats
Stats similar to ERA for Jack Marshall
| Jack Marshall
ERA | Jack Marshall
Component ERA | Jack Marshall
Defense Independent ERA |
|---|
| Career | 4.23 | 4.21 | 4.22 |
| Season Avg. | 4.23 | 4.21 | 4.22 |
| 162 Game Avg. | 4.23 | 4.21 | 4.22 |
| More Info | See More | See More | See More |
Jack Marshall ERA Per Season
Jack Marshall's ERA for each season of his MLB career, plotted against that year's league average. Switch between comparisons — Negro American League, Hall of Fame, SP, North America, or players born in the same country — to see how he stacked up year by year.
Jack Marshall ERA by Team
Jack Marshall's career ERA totals broken down by each team he played for, ordered by when he first joined that team.
Jack Marshall ERA Year-Over-Year Change
A waterfall chart tracking how Jack Marshall's career ERA shifted from season to season. Each bar represents the change added to his career total that year, making peak and decline phases easy to spot.
Jack Marshall ERA Distribution vs. Comparable Players
Each box summarizes Jack Marshall's seasonal ERA alongside a selected comparison group across all seasons he played. The box covers the middle 50% of seasons, the center line is the median, and the whiskers extend to the min and max. A tighter box means more consistency; a higher median means more output. Use the selector to switch comparison groups.
Jack Marshall ERA — Season-by-Season Breakdown
Every season of Jack Marshall's MLB career with ERA alongside league, Hall of Fame, positional, birth region, and country-of-birth averages for that year. Career totals include sum, average, min, max, and median.
Note: A dash (—) means no qualifying players existed in that comparison group for that season. Most commonly this happens for the Hall of Fame group.
